﻿//
//  Monkey Manager
//  Copyright (C) 2012 Victor Tereschenko
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//     
// ========================================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ManagerDB
{
    /// <summary>
    /// Not supported database exception.
    /// </summary>
    public class NotSupportedDatabse : Exception
    {
        public NotSupportedDatabse()
            :base("Not supported databse")
        {
        }
    }

    /// <summary>
    /// Helps to create database
    /// </summary>
    public class DatabaseFactory
    {
        /// <summary>
        /// Creates database by options.
        /// </summary>
        /// <param name="options"></param>
        /// <exception cref="NotSupportedDatabse">In case of unknown or unsupported database.</exception>
        /// <returns></returns>
        public static IMutableDatabase CreateMutable(ManagerOptions options)
        {
            switch (options.DatabaseType)
            {
                case ManagerOptions.DBType.SQLite:
                    return new SQLiteDBController(options.DBFile, options.AutoTags.ToArray(), options.ReplacementsFile);
            }
            throw new NotSupportedDatabse();
        }

        /// <summary>
        /// Creates database by options.
        /// </summary>
        /// <param name="options"></param>
        /// <exception cref="NotSupportedDatabse">In case of unknown or unsupported database.</exception>
        /// <returns></returns>
        public static IDatabase Create(ManagerOptions options)
        {
            switch (options.DatabaseType)
            {
                case ManagerOptions.DBType.SQLite:
                    return new SQLiteDBController(options.DBFile, options.AutoTags.ToArray(), options.ReplacementsFile);
                case ManagerOptions.DBType.Folder:
                    return new FolderDB(options.DBFile);
            }
            throw new NotSupportedDatabse();
        }
    }
}
